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Showing results for tags 'trepostomata'.
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A nice Dictyonema flabelliforme dendroid graptolite from Oslo Fields in Norway. It's Tremadoc, Lower Ordovician in age and is thus maybe around 480 mya. Another angle :
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- 2
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- bou nemrou
- el kaid errami
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(and 68 more)
Tagged with:
- bou nemrou
- el kaid errami
- first bani group
- trigonirhynchiidae
- eocrinoid
- rostricellula minnesotensis
- izzegguirine formation
- rhynchotrematidae
- rostricellula
- rhynchotrema wisconsinense
- rhynchotrema ainsliei
- rhynchotrema
- minnesota
- rochester
- cummingsville formation
- lituites
- lituites lituus
- trilacinoceras hunanense
- huk formation
- trilacinoceras
- slemmested
- phyllograptus angustifolius
- phyllograptus
- rhabdinopleura flabelliformis
- rhabdinopleura
- tetragraptus serra
- tetragraptus
- upper ordovician
- arenig
- late ordovician
- early ordovician
- middle ordovician
- dictyonema flabelliforme
- dictyonema
- ordovician
- graptolite
- norway
- dendroid
- tremadoc
- lower ordovician
- pagoda formation
- oslo
- baota formation
- ampyx
- ampyx priscus
- upper fezouata formation
- fezouata formation
- ouled slimane
- zagora
- raphiophoridae
- favosites
- favosites fibrilla
- dufton shales
- cross fell
- pennines
- caradoc
- caradocian
- constellaria antheloidea
- cincinnati group
- constellaria
- cincinnatian
- williamson county
- tennessee
- morocco
- china
- ascocystites
- bumastoides
- postville
- iowa
- anti atla
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The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these groups are extinct or severely reduced in importance and brachiopods never quite recover. Also, the Devonian is the last time we see trilobites with such variation, large sizes and numbers and orthocerids too are much more uncommon after the rise of the goniatites. The massive tabulate coral reefs also disappear after the Devonian. Fascinating period and I hope to share some of its wonders with you. Equally, a lot of this is rather new to me, so I would be very grateful for any assistance, corrections or further information on my specimens. Thank you. The Early Devonian epoch is split into three stages, so let's start with the first of those, the Lochkovian, that began about 419 mya and finished roughly 411 mya. I have been sent a nice selection of brachiopods from the Kalkberg Formation, Helderberg Group by the Mighty @Misha, mostly. But the kind gentleperson also sent me this fascinating little bryozoan hash : It is dominated by fenestellids, which is usually the case in the Devonian, but other orders sill occur. These ones, I think, are Fenestella, but there are so many species in the formation that I wont take a guess as to species : Not sure what this one is ;
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- 7
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- cordillera cantabrica
- cryptoschisma schultzii
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(and 79 more)
Tagged with:
- cordillera cantabrica
- cryptoschisma schultzii
- erfoud
- reedops
- goniatites
- panenka
- assa
- draa
- yeraifa formation
- assie de nkhaila member
- cuninulus
- cuninulus assaensis
- ferronia subspeciosa
- ferronia
- aguion formation
- ranees group
- plicathyris ezquerrai
- plicathyris
- area de bonar
- early devonian
- lower devonian
- lochkovian
- pragian
- emsian
- bryozoa
- tabulata
- crenulipora
- morocco
- crenulipora difformis
- leptotrypella
- kalkberg
- fenestella
- fenestellid
- helderberg group
- fenestrata
- helderberg
- kalkberg formation
- new york
- schoharie
- usa
- gypidula
- pentamerid
- gypidula galeata
- pentamerida
- trepostome
- trepostomata
- thamniscus
- polypora
- polypora lilia
- discomyorthis
- atrypa
- discomyorthis oblata
- atrypa reticularis
- orthid
- orthida
- atrypida
- atrypid
- rhynchonellid
- rhynchonellida
- uncinulus
- athyrid
- uncinulus pyramidatus
- athyrida
- meristella
- concinnispirifer
- meristella laevis
- sprifer
- spiriferid
- speriferida
- costellispirifer
- costellisprifer concinnus
- bivalve
- bivalvia
- mollusca
- mollusc
- colorado quarry
- becraft
- becraft mountain
- becraft formation
- schizophoria
- schizop
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Show us your Devonian Epizoans & Pathological Brachiopods!
Brach3 posted a topic in General Fossil Discussion
Dear all, if Devonian Epizoans (Epibionts) & Pathological Brachiopods (all the periods) are a fascinating group of fossils for you and you want to discuss anything about their paleoecology, please post your photos (specimens) in this thread.- 225 replies
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- 3
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- attachment scars
- palaeoecology
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Tagged with:
- attachment scars
- palaeoecology
- paleobiology
- shell repair
- predation damage
- repair scar
- cephalopod predation
- damage to brachiopods
- endoskeletobionts
- ecological interactions
- predation
- repair of shell breakage
- shell breakage
- botryllopora
- ropaionaria
- rugose coral
- coprolites
- organic threads
- holdfasts
- crinoidea
- sedentaria
- polychaeta
- phizhedxa
- petrocrania
- fistuliporoids
- trepostomata
- prestomata
- trepos
- cyclostomata
- cystoporata
- bryozoa
- ctenostomata
- rugosa
- paraspirifer
- spinocyrtias
- drill holes
- incertae sedis
- eliasopora
- ascodictyon
- pseudobryozoans
- hederella
- microconchida
- palaeoconchus
- stenopora
- aulopora
- cornulites
- durophagy
- microproblematica
- encrusters
- sclerobionts
- epifauna
- epibionts
- epizoans
- brachiopods
- barnacles
- muscle scars
- sphenothallus
- graptolites dendroid
- sponges
- podichnus
- microconchus
- bore traces of predation
- life orientation
- brachiopods life position